noun, plural ap·o·neu·ro·ses [ap-uh-noo–roh-seez, -nyoo-] /ˌæp ə nʊˈroʊ siz, -nyʊ-/. Anatomy.
- a whitish, fibrous membrane that connects a muscle to a bone or fascia.
noun plural -ses (-siːz)
- anatomy a white fibrous sheet of tissue by which certain muscles are attached to bones
1670s, from Latin, from Greek aponeurosis, from aponeuroein, from apo- “off, away from” (see ) + neuron “sinew” (see ).
- A sheetlike fibrous membrane resembling a flattened tendon that serves as a fascia to bind muscles together or to connect muscle to bone.